package mysql-server-5.7 5.7.17-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[guillaume]

After every start i have this
thanks!

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mysql-server-5.7 5.7.17-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Thu Jan 26 13:38:00 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-07-23 (921 days ago)
InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
Logs.var.log.daemon.log:

MySQLConf.etc.mysql.conf.d.mysql.cnf: [mysql]
MySQLConf.etc.mysql.conf.d.mysqld_safe_syslog.cnf:
 [mysqld_safe]
 syslog
MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
 [mysqldump]
 quick
 quote-names
 max_allowed_packet = 16M
MySQLConf.etc.mysql.mysql.conf.d.mysqld_safe_syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['mysql_upgrade_info', 'auto.cnf', 'cemagento', 'dolibarr', 'sys', 'ib_logfile1', 'guyomard', 'genescopeloc', 'blue', 'ib_logfile0', '3mja16', 'dwkdolibarr', 'cedistributions', 'ceddprod', 'ibdata1', 'EGdolibarr', 'mysql', 'datametric', 'dewthilina', 'ibtmp1', 'genescopelocv20160628', 'phpmyadmin', 'debian-5.5.flag', 'dolibarrmaster', 'ancienneamigrer', '3mjamig', 'debian-5.7.flag', 'performance_schema', 'ib_buffer_pool', '3mja', 'csm', 'genescopelocv1']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-59-generic root=UUID=501eb99a-c9b4-4cd5-8190-10d7df0c2af5 ro quiet splash nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.18
SourcePackage: mysql-5.7
Title: package mysql-server-5.7 5.7.17-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)